Buell 2003XB9S Service Manual page 273

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ASSEMBLY/INSTALLATION
1. See Figure 3-106. Place PISTON SUPPORT PLATE
(Part No. HD-42322) in position as shown.
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Figure 3-106. Piston Support Plate
(Part No. HD-42322)
2. Install piston assembly over connecting rod.
b0057b3x
V-groove
Figure 3-107. Piston Pin and Piston Identification
NOTE
See Figure 3-107. Piston must be installed with the arrow, at
the top of the piston, pointing towards the front of the engine.
3. Install piston pin.
3-70 2003 Buell XB9S: Engine
CAUTION
Always use new retaining ring. Make sure retaining ring
groove is clean and that ring seats firmly in groove. If it
does not, discard the ring. Never install a used retaining
ring or a new one if it has been installed and then
removed for any reason. A loosely installed ring will
come out of the piston groove and damage cylinder and
piston beyond repair.
1
b1001x3x
1. Piston pin retaining ring
2. Piston pin retaining ring installer
(Part No. HD-34623C)
Figure 3-108. Installing Piston Pin Circlip
4. See Figure 3-108. Install new piston pin retaining rings
(1) using PISTON PIN RETAINING RING INSTALLER
(2) (Part No. HD-34623C).
tool with gap pointing up.
NOTE
Make sure the ring groove is clean. Ring must be fully seated
in the groove with the gap away from the slot at the bottom.
b1002x3x
2
Place new retaining ring on